West German studio(-style) vase, marbled glaze, label "VD"?

Need help with ID of this 1970s studio-style vase, marbled glaze, height 18 cm.
Brown clay, the base is covered with red felt (which is IME a pain to remove).

Label "West Germany" and a monogram -- could perhaps be VD? Or VC?

Reminds me a little of some pieces by Uta Feyl for Rosenthal studio linie, but there doesn't seem to be the typical raised mark under the felt.
Thanks for any guidance!

Michael

the sticker is van daalen...
the felt seems to be wrong for van daalen...
strange form for van daalen as well

Thanks a lot for the ID, styleinvasion -- fast as lighning! :-)
I did a quick search, and found quite a few of these on ebay and etsy.
The design seems to come with a higher foot as well.

The base is unmarked, so I can leave the felt (which isn't original I guess).

Michael